package beans;

import org.apache.commons.lang3.Validate;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class ApplicationContextHolder implements ApplicationContextAware {

	private static ApplicationContext applicationContext;
	@Override
	public void setApplicationContext(ApplicationContext arg0) throws BeansException {
		applicationContext = arg0;
	}

	public static ApplicationContext getAppContext() {
		Validate.isTrue(applicationContext != null);
		return applicationContext;
	}

	public static <T> T getBean(Class<T> clazz) {
		return getAppContext().getBean(clazz);
	}

}
